19818464

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2143}}^1$

素因数の和:2187

約数の個数: 36

約数和(自身を含む): 41467104

約数和(自身を除く): 21648640

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2143, 2312, 4286, 4624, 8572, 9248, 17144, 34288, 36431, 68576, 72862, 145724, 291448, 582896, 619327, 1165792, 1238654, 2477308, 4954616, 9909232, 19818464]

約数ペア:

[(1, 19818464), (2, 9909232), (4, 4954616), (8, 2477308), (16, 1238654), (17, 1165792), (32, 619327), (34, 582896), (68, 291448), (136, 145724), (272, 72862), (289, 68576), (544, 36431), (578, 34288), (1156, 17144), (2143, 9248), (2312, 8572), (4286, 4624)]